| Gaochang | |
| Other Name: | Karahoja, Qarahoja |
| Settlement Type: | District |
| Pushpin Map: | Xinjiang#China |
| Pushpin Map Caption: | Location of the district centre in Xinjiang |
| Subdivision Type: | Country |
| Subdivision Name: | China |
| Subdivision Type1: | Autonomous region |
| Subdivision Name1: | Xinjiang |
| Subdivision Type2: | Prefecture-level city |
| Subdivision Name2: | Turpan |
| Subdivision Type3: | Township-level divisions |
| Subdivision Name3: | 3 subdistricts 2 towns 7 townships |
| Seat Type: | District seat |
| Seat: | Laocheng Road Subdistrict |
| Area Total Km2: | 13,650 |
| Population As Of: | 2020 |
| Population Footnotes: | [1] |
| Population Total: | 317,443 |
| Population Density Km2: | auto |
| Timezone: | China Standard |
| Utc Offset: | +8 |
| Coor Pinpoint: | Turpan government |
| Coordinates: | 42.9512°N 89.1895°W |
| Postal Code Type: | Postal code |
| Postal Code: | 838000 |
| Area Code: | 0995 |
| Order: | st |
| S: | 高昌区 |
| T: | 高昌區 |
| P: | Gāochāng Qū |
| Uly: | Qarahoja Rayoni |
| Usy: | Қарахоҗа Райони |
Gaochang or Karahoja (Uighur; Uyghur: Қарахоҗа;), is the only district and the seat of the oasis city of Turpan, in the Xinjiang Uyghur Autonomous Region, China. Its population was at the end of 2003.
According to the municipal government of Turpan, the district is named after the ancient city of Gaochang. It was also proposed that the district be named after Ayding Lake.[2]
The district was created on 12 April 2015 after Turpan was upgraded from a county-level city into a prefecture-level city. The district has the same size and population as the former Turpan county-level city.[3]
Gaochang District is divided into 4 subdistricts, 5 towns, 3 townships and 1 other township-level division.
| Name | Simplified Chinese | Hanyu Pinyin | Uyghur (UEY) | Uyghur Latin (ULY) | Administrative division code | |
|---|---|---|---|---|---|---|
| Subdistricts | ||||||
| Laocheng Subdistrict | Chinese: 老城街道 | 650402001 | ||||
| Gaochang Subdistrict | Chinese: 高昌街道 | 650402002 | ||||
| Putaogou Subdistrict | Chinese: 葡萄沟街道 | 650402003 | ||||
| Hongliuhe Subdistrict | Chinese: 红柳河街道 | 650402004 | ||||
| Towns | ||||||
| Qiquanhu Town | Chinese: 七泉湖镇 | 650402100 | ||||
| Daheyan Town | Chinese: 大河沿镇 | 650402101 | ||||
| Yar Town | Chinese: 亚尔镇 | 650402102 | ||||
| Aydingköl Town (Aidinghu Town) | Chinese: 艾丁湖镇 | 650402103 | ||||
| Ürümchilik Town (Putao Town) | Chinese: 葡萄镇 | 650402104 | ||||
| Yalquntagh Town (Huoyanshan Town) | Chinese: 火焰山镇 | 650402105 | ||||
| Townships | ||||||
| Chatqal Township | Chinese: 恰特喀勒乡 | 650402203 | ||||
| Astane Township (Sanbu Township) | Chinese: 三堡乡 | 650402205 | ||||
| Shengjin Township | Chinese: 胜金乡 | 650402206 | ||||
| Township-level division | ||||||
| Turpan Seed Stock Station | Chinese: 原种场 | 650402401 | ||||
Gaochang District has a cold-desert climate (Köppen climate classification Dwa). The average annual temperature in Gaochang is . The average annual rainfall is with July as the wettest month. The temperatures are highest on average in July, at around and lowest in January, at around .